KR100866885B1 - 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 - Google Patents

멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 Download PDF

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KR100866885B1
KR100866885B1 KR1020087011931A KR20087011931A KR100866885B1 KR 100866885 B1 KR100866885 B1 KR 100866885B1 KR 1020087011931 A KR1020087011931 A KR 1020087011931A KR 20087011931 A KR20087011931 A KR 20087011931A KR 100866885 B1 KR100866885 B1 KR 100866885B1
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South Korea
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signal
audio signal
downmix signal
compensation parameter
downmix
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KR1020087011931A
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Korean (ko)
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KR20080066808A (ko
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정양원
방희석
오현오
김동수
임재현
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엘지전자 주식회사
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
KR1020087011931A 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 KR100866885B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US72830905P 2005-10-20 2005-10-20
US60/728,309 2005-10-20
US73429205P 2005-11-08 2005-11-08
US60/734,292 2005-11-08
US76573006P 2006-02-07 2006-02-07
US60/765,730 2006-02-07
KR20060071753 2006-07-28
KR1020060071753 2006-07-28

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KR1020087021421A Division KR101165640B1 (ko) 2005-10-20 2006-10-20 오디오 신호의 디코딩 및 인코딩 방법 및 그 장치

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KR20080066808A KR20080066808A (ko) 2008-07-16
KR100866885B1 true KR100866885B1 (ko) 2008-11-04

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KR1020087011931A KR100866885B1 (ko) 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
KR1020060102146A KR20070043651A (ko) 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
KR1020087021421A KR101165640B1 (ko) 2005-10-20 2006-10-20 오디오 신호의 디코딩 및 인코딩 방법 및 그 장치

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KR1020087021421A KR101165640B1 (ko) 2005-10-20 2006-10-20 오디오 신호의 디코딩 및 인코딩 방법 및 그 장치

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US (4) US20080255859A1 (fr)
EP (2) EP1952392B1 (fr)
JP (2) JP5507844B2 (fr)
KR (3) KR100866885B1 (fr)
ES (1) ES2587999T3 (fr)
WO (2) WO2007046660A1 (fr)

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Also Published As

Publication number Publication date
US20110085669A1 (en) 2011-04-14
US8498421B2 (en) 2013-07-30
EP1952391B1 (fr) 2017-10-11
KR101165640B1 (ko) 2012-07-17
JP5507844B2 (ja) 2014-05-28
KR20080086550A (ko) 2008-09-25
EP1952391A1 (fr) 2008-08-06
US20080255859A1 (en) 2008-10-16
US20100310079A1 (en) 2010-12-09
US8804967B2 (en) 2014-08-12
ES2587999T3 (es) 2016-10-28
WO2007046659A1 (fr) 2007-04-26
JP2009512893A (ja) 2009-03-26
EP1952392A4 (fr) 2009-07-22
WO2007046660A1 (fr) 2007-04-26
KR20080066808A (ko) 2008-07-16
EP1952392B1 (fr) 2016-07-20
US20080262853A1 (en) 2008-10-23
JP2009512892A (ja) 2009-03-26
KR20070043651A (ko) 2007-04-25
EP1952392A1 (fr) 2008-08-06
EP1952391A4 (fr) 2009-07-22
JP5536335B2 (ja) 2014-07-02

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